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  PIR Motion Detector Sensor Module (Hc-Sr501 Pyroelectric Infrared)

  ₹120.00 ₹110.00

  The Passive Infrared Sensor (PIR) sensor module is used for motion detection. It can be used as a motion detector for security systems or robotics. It works on 5V DC and gives TTL output which can be directly given to microcontroller or to relay through a transistor. It consists of a pyroelectric sensor and Fresnel lens that …

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